Home / 209,946.70-314,920.05-125,965.90

Finding the Fourth Proportional to 209,946.70, 314,920.05 and 125,965.90

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Solution

The fourth proportional to 209,946.70, 314,920.05 and 125,965.90 is: 188,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,946.70 : 314,920.05 = 125,965.90 : x
  2. Step 2: Convert to fraction form
    209,946.70/314,920.05 = 125,965.90/x
  3. Step 3: Cross multiply
    209,946.70x = 314,920.05 × 125,965.90
  4. Step 4: Simplify right side
    209,946.70x = 39,669,187,526.30
  5. Step 5: Solve for x
    x = 39,669,187,526.30/209,946.70
  6. Step 6: Final answer
    x = 188,948.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.